Shaft coupling hub



FIG. 1 is a left front perspective view of a shaft coupling hub;

FIG. 2 is a right front perspective view of the shaft coupling hub of FIG. 1;

FIG. 3 is a front view of the shaft coupling hub of FIG. 1;

FIG. 4 is a back view of the shaft coupling hub of FIG. 1;

FIG. 5 is a left side view of the shaft coupling hub of FIG. 1;

FIG. 6 is a right side view of the shaft coupling hub of FIG. 1;

FIG. 7 is a top view of the shaft coupling hub of FIG. 1;

FIG. 8 is a bottom view of the shaft coupling hub of FIG. 1; and,

FIG. 9 is a reference perspective view of a shaft coupling hub shown in a state of use.

The broken lines shown in the drawings are for the purpose of depicting portions of the article that form no part of the claim. The broken lines shown in FIG. 9 are for the purpose of illustrating environment that forms no part of the claim. 

CLAIM The ornamental design for a shaft coupling hub, as shown and described. 